Sometimes teachers don’t need research to tell them something they already know through observation and/or common sense. For example, I...

Composure is key to entering disciplinary situations. Emotions are contagious and teachers want students to "catch" their calmness.

Emotions are the backbone of cognition and memory. Teachers should cultivate positive emotions and attend to the distress of their students.

Liking your teacher is not a bonus that increases learning. Instead, it's an essential need that, when absent, makes learning impossible.